Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2021 9 19.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 09/21/2021   03:56:46   ( -77.88, -83.39) 09/21/2021   03:55:34  ( -77.87, -83.50)    2.71                72
 09/21/2021   04:47:32   (  77.90,  83.82) 09/21/2021   04:46:37  (  77.91,  83.92)    2.50                55
 09/21/2021   05:38:16   ( -77.89,-108.79) 09/21/2021   05:37:34  ( -77.88,-108.95)    3.68                42
 09/21/2021   06:29:02   (  77.91,  58.42) 09/21/2021   06:28:37  (  77.92,  58.48)    1.70                25
 09/21/2021   07:19:46   ( -77.89,-134.19) 09/21/2021   07:19:33  ( -77.93,-134.18)    4.12                13
 09/21/2021   08:10:32   (  77.91,  33.02) 09/21/2021   08:10:37  (  77.92,  33.03)    1.51                 5
 09/21/2021   09:01:17   ( -77.94,-159.80) 09/21/2021   09:01:33  ( -77.94,-159.63)    3.94                16
 09/21/2021   09:52:02   (  77.92,   7.62) 09/21/2021   09:52:37  (  77.93,   7.59)    2.09                35
 09/21/2021   10:42:47   ( -77.94, 174.80) 09/21/2021   10:43:33  ( -77.95, 174.93)    2.86                46
 09/21/2021   11:33:32   (  77.92, -17.78) 09/21/2021   11:34:37  (  77.94, -17.86)    3.03                65
 09/21/2021   12:24:19   ( -78.03, 148.99) 09/21/2021   12:25:32  ( -77.99, 149.70)   16.80                73